Small Crystolon Grinding Wheel for ID Grinding of Carbides and Tough steels.
2" diam. x 1" Wide x 3/8" hole 39C100-I8VK Grinding Wheel with Recess one side 3/4" x 1/2". Can be mounted on ID Grinding Machines. Has Silicone Carbide (Crystolon) Grain for use on Carbides etc. 100 grit is a Fine wheel.